CVE-2020-0423

In binder_release_work of binder.c, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-161151868References: N/A

CVSS v3 7.8 HIGH
CVSS v2.0 7.2 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

Vector : AV:L/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html	Mailing List Third Party Advisory
https://source.android.com/security/bulletin/2020-10-01	Vendor Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html	Mailing List Third Party Advisory
https://source.android.com/security/bulletin/2020-10-01	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:o:google:android:-:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

History

21 Nov 2024, 04:53

Type	Values Removed	Values Added
References	~~() https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html - Mailing List, Third Party Advisory~~	() https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html - Mailing List, Third Party Advisory
References	~~() https://source.android.com/security/bulletin/2020-10-01 - Vendor Advisory~~	() https://source.android.com/security/bulletin/2020-10-01 - Vendor Advisory

Information

Published : 2020-10-14 14:15

Updated : 2024-11-21 04:53

NVD link : CVE-2020-0423

Mitre link : CVE-2020-0423

CVE.ORG link : CVE-2020-0423

JSON object : View

Products Affected

debian

debian_linux

google

android

CWE

CWE-416

Use After Free

CWE-667

Improper Locking

{"id": "CVE-2020-0423", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.2, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2020-10-14T14:15:17.280", "references": [{"url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "security@android.com"}, {"url": "https://source.android.com/security/bulletin/2020-10-01", "tags": ["Vendor Advisory"], "source": "security@android.com"}, {"url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://source.android.com/security/bulletin/2020-10-01", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-416"}, {"lang": "en", "value": "CWE-667"}]}], "descriptions": [{"lang": "en", "value": "In binder_release_work of binder.c, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-161151868References: N/A"}, {"lang": "es", "value": "En la funci\u00f3n binder_release_work del archivo binder.c, presenta una posibilidad de un uso de la memoria previamente liberada debido a un bloqueo inapropiado. Esto podr\u00eda conllevar a una escalada de privilegios local en el kernel sin ser necesarios privilegios de ejecuci\u00f3n adicionales. No es requerida una interacci\u00f3n del usuario para su explotaci\u00f3n. Producto: Android, Versiones: kernel de Android, ID de Android: A-161151868, Referencias: N/A"}], "lastModified": "2024-11-21T04:53:29.673", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:google:android:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F8B9FEC8-73B6-43B8-B24E-1F7C20D91D26"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"}], "operator": "OR"}]}], "sourceIdentifier": "security@android.com"}